Date: Sun, 28 Jul 2013 11:51:09 -0700 From: hiren panchasara <hiren.panchasara@gmail.com> To: Adrian Chadd <adrian@freebsd.org> Cc: freebsd-embedded <freebsd-embedded@freebsd.org> Subject: Re: Making Picostation m2HP work Message-ID: <CALCpEUGC1NrWfNZ5%2BfAnbaCvFVpKNCOMZ9Yh6XFYFBqCWehE0Q@mail.gmail.com> In-Reply-To: <CAJ-VmokDUhJxN7oWOr0t7T1Zq-Odf43mM9qO%2B5TDyv1DnKAJuQ@mail.gmail.com> References: <CALCpEUHxqyZb1Y5WqsuxjvwY2Pd_xN2%2BoTgsew0DwdRMC6=5Nw@mail.gmail.com> <CAJ-VmomtCNq3KUjVfcaLGjnSLjnvBWKzARs8TzebmN9MdMFkcA@mail.gmail.com> <CALCpEUGmtpVL=Y5Uqiz_h4%2BKgBDH9%2B=vC_DJHyU5rvOGOdiSag@mail.gmail.com> <CALCpEUE%2BDMq9KYBNZfJLx6DTxAY%2B1gv3uLQ3OtO-N1W1zRKL=Q@mail.gmail.com> <CAJ-VmokNR6VzdG7EC0jpEQN40He%2BUR=Y99dmzakXMfO3ojHjqw@mail.gmail.com> <CALCpEUFiQp-UrZHe9X-zxneQUc9p%2BX1Ojbp0F865a1QTPicp%2Bg@mail.gmail.com> <CALCpEUGbk8mCFqOUp6WxfdcH-kveudG-f4S0muUg4aYy0uqBtA@mail.gmail.com> <CAJ-VmomsSBSs9QumGc6z=aYQ0OUqjGcxBnnsy%2B1NR_F83KUzxg@mail.gmail.com> <CALCpEUG4FR2qugb-ZYHG%2BJ7xcOL34edkPx41yOwU7qK-BynGOw@mail.gmail.com> <CAJ-VmokPNDgkdziRFr3-MnDZudskGb0ykRk9jfY1nWhrxBZEKw@mail.gmail.com> <CAB=2f8yPSSpOZBwOv8Xr5=OtM%2BMq0-h-%2B9-tKTgjR7LvCfX6jQ@mail.gmail.com> <CALCpEUFi6qr8Cox9PpzmkPk69gb0hrhM1vepE81gqot2cVy7tQ@mail.gmail.com> <CAJ-VmonxVF6GQXEZod9XajAK00i9ZP6=s3SSCDEL%2BJR6kgLVWQ@mail.gmail.com> <CALCpEUHEPRDAiCZ2-hFwD1sPPQHqmNVA=E8sJREm5qmB%2BxF5cA@mail.gmail.com> <CAJ-VmokDUhJxN7oWOr0t7T1Zq-Odf43mM9qO%2B5TDyv1DnKAJuQ@mail.gmail.com>
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On Fri, Jul 19, 2013 at 12:41 PM, Adrian Chadd <adrian@freebsd.org> wrote: > So here's the fun bit: > > mtdparts=mtdparts=ar7240-nor0:256k(u-boot),64k(u-boot-env),1024k(kernel),5760k(rootfs),256k(cfg),64k(EEPROM) > > Now, strictly speaking, you don't _have_ to obey the kernel/rootfs > split. But the default 'boot' line executes a boot image from the > offset in flash where 'kernel' is. > > What I tend to do, if I can: > > * leave uboot and uboot-env where they are > * kernel is the first partition, good, so start it there but make it > 1.5mb so you have a chance in hell of fitting an lzma'ed uboot kernel > image in there > * you don't need a 256kb cfg partition, only 64k > * the last 64k (EEPROM) _MUST NEVER BE OVERWRITTEN_ as it contains the > calibration/config data for the wifi chip. > > So look at an existing hints file with the 'map' entries, and write up > a new set of map entries for the agreed flash layout. > > Once you've done that, post it here for sanity checking. Here is the hints file I am using: # mtdparts=ar7240-nor0:256k(u-boot),64k(u-boot-env),1024k(kernel),6528k(rootfs),256k(cfg),64k(EEPROM) hint.map.0.at="flash/spi0" hint.map.0.start=0x00000000 hint.map.0.end=0x00040000 # 256k u-boot hint.map.0.name="u-boot" hint.map.0.readonly=1 hint.map.1.at="flash/spi0" hint.map.1.start=0x00040000 hint.map.1.end=0x00050000 # 64k u-boot-env hint.map.1.name="u-boot-env" hint.map.1.readonly=1 hint.map.2.at="flash/spi0" hint.map.2.start=0x00050000 hint.map.2.end=0x00150000 # 1024k kernel hint.map.2.name="kernel" hint.map.2.readonly=1 hint.map.3.at="flash/spi0" hint.map.3.start=0x00150000 hint.map.3.end=0x006f0000 # 6528k rootfs hint.map.3.name="rootfs" hint.map.3.readonly=0 hint.map.4.at="flash/spi0" hint.map.4.start=0x006f0000 hint.map.4.end=0x00730000 # 256k config hint.map.4.name="config" hint.map.4.readonly=1 hint.map.5.at="flash/spi0" hint.map.5.start=0x00730000 hint.map.5.end=0x00740000 # 64k EEPROM hint.map.5.name="art" hint.map.5.readonly=1 > > (Then the next trick will be building a kernel and rootfs image that > will fit in those flash partitions.. then you write up a config file > for adrian's build scripts that enforce those size limits so you don't > generate overly large images, then we do a test erase/flash.) Kernel that is being generated is of 3.5M. Need to understand how to prepare complete image with your scripts. Thanks a lot, Hiren > > > > -adrian > > On 19 July 2013 11:13, hiren panchasara <hiren.panchasara@gmail.com> wrote: >> On Fri, Jul 19, 2013 at 12:02 AM, Adrian Chadd <adrian@freebsd.org> wrote: >>> Cool, so next is populating the MAP device fields in a kernel config >>> hints file with the relevant flash offsets. >>> >>> That way you can setup the rootfs right. >> alright!! >>> >>> What's 'printenv' from uboot show? >> ar7240> printenv >> bootdelay=1 >> baudrate=115200 >> ethaddr=00:15:6d:0d:00:00 >> mtdids=nor0=ar7240-nor0 >> partition=nor0,0 >> mtddevnum=0 >> mtddevname=u-boot >> filesize=10000 >> fileaddr=81000000 >> serverip=192.168.1.254 >> ethact=eth0 >> mtdparts=mtdparts=ar7240-nor0:256k(u-boot),64k(u-boot-env),1024k(kernel),5760k(rootfs),256k(cfg),64k(EEPROM) >> bootcmd=bootm 0x9f050000 >> bootargs=console=tty0 root=31:03 rootfstype=squashfs init=/init >> ipaddr=192.168.1.20 >> stdin=serial >> stdout=serial >> stderr=serial >> >> Environment size: 452/65532 bytes >> ar7240> >> >> Thanks for your help :-) >> >> cheers, >> Hiren >> >>> >>> >>> -adrian >>> >>> On 17 July 2013 16:54, hiren panchasara <hiren.panchasara@gmail.com> wrote: >>>> On Tue, Jul 16, 2013 at 6:48 AM, Luiz Otavio O Souza <lists.br@gmail.com> wrote: >>>>> On 16 July 2013 00:52, Adrian Chadd <adrian@freebsd.org> wrote: >>>>>> >>>>>> Right, >>>>>> >>>>>> you have to get the mdio bus configured up right, then attach arswitch to >>>>>> it. >>>>>> >>>>>> Then you tell arge0/arge1 what PHY it speaks to, via Stefan's mdioproxy >>>>>> stuff. >>>>>> >>>>>> _then_ arge0/arge1 will come up. >>>>>> >>>>>> Now, as for how you do that - i'd have to re-read the datasheet and >>>>>> write some documentation: >>>>>> >>>>>> * one of them (I think arge0) is directly glued to arswitch with no >>>>>> PHY per se - it's hard-programmed with a MIIbus mode (RMGII I think?) >>>>>> and 100/full or 1000/full >>>>> >>>>> >>>>> It's usually the arge1 which is dedicated to switch and it's hard-programmed >>>>> as 1000/full (even when the switch ports are just 10/100). >>>>> >>>>> arge0 is the 'WAN' port (using the dedicated PHY 4). >>>>> >>>>> The MDIO is at arge0 on ar7240 and at arge1 on ar7241. >>>>> >>>>> [...] >>>>>> >>>>>> >>>>>> I'll follow this up with a post explaining how the miibus, mdiobus, >>>>>> mdioproxy stuff and how arswitch is configured. Then I'll braindump >>>>>> that into the wiki. >>>>> >>>>> >>>>> Thanks Adrian! >>>>> >>>>> Stefan also has a nice documentation about how this stuff fits together: >>>>> >>>>> https://wiki.freebsd.org/StefanBethke/EtherSwitch >>>>> http://www.bsdcan.org/2012/schedule/attachments/201_BSDCan-2012-Bethke-Ethernet-Switch-Framework.pdf >>>>> >>>> >>>> Thanks a lot Adrian and Luiz for the explanation. >>>> >>>> I've built just the kernel with in-tree (-head) kernconf AP91 and >>>> hints file from Luiz: http://pastebin.com/Z647yiZh >>>> >>>> And I am seeing arge0/1 attaching: >>>> >>>> ar7240> go 80050100 >>>> ## Starting application at 0x80050100 ... >>>> CPU platform: Atheros AR7241 rev 1 >>>> CPU Frequency=390 MHz >>>> CPU DDR Frequency=390 MHz >>>> CPU AHB Frequency=195 MHz >>>> platform frequency: 390000000 >>>> CPU reference clock: 5 MHz >>>> arguments: >>>> a0 = 00000001 >>>> a1 = 81f4fcbc >>>> a2 = 00000010 >>>> a3 = fffffffe >>>> Cmd line:argv is invalid >>>> Environment: >>>> envp is invalid >>>> Cache info: >>>> picache_stride = 4096 >>>> picache_loopcount = 16 >>>> pdcache_stride = 4096 >>>> pdcache_loopcount = 8 >>>> cpu0: MIPS Technologies processor v116.147 >>>> MMU: Standard TLB, 16 entries >>>> L1 i-cache: 4 ways of 512 sets, 32 bytes per line >>>> L1 d-cache: 4 ways of 256 sets, 32 bytes per line >>>> Config1=0x9ee3519e<PerfCount,WatchRegs,MIPS16,EJTAG> >>>> Config3=0x20 >>>> KDB: debugger backends: ddb >>>> KDB: current backend: ddb >>>> Copyright (c) 1992-2013 The FreeBSD Project. >>>> Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994 >>>> The Regents of the University of California. All rights reserved. >>>> FreeBSD is a registered trademark of The FreeBSD Foundation. >>>> FreeBSD 10.0-CURRENT #1 r252757M: Wed Jul 17 16:45:15 PDT 2013 >>>> root@flymockour-l7.corp.yahoo.com:/usr/home/hirenp/head/obj/mips.mips/usr/home/hirenp/head/sys/AP91 >>>> mips >>>> gcc version 4.2.1 20070831 patched [FreeBSD] >>>> real memory = 16777216 (16384K bytes) >>>> avail memory = 11968512 (11MB) >>>> random device not loaded; using insecure entropy >>>> nexus0: <MIPS32 root nexus> >>>> clock0: <Generic MIPS32 ticker> on nexus0 >>>> Timecounter "MIPS32" frequency 195000000 Hz quality 800 >>>> Event timer "MIPS32" frequency 195000000 Hz quality 800 >>>> argemdio0: <Atheros AR71xx built-in ethernet interface, MDIO >>>> controller> at mem 0x1a000000-0x1a000fff on nexus0 >>>> mdio0: <MDIO> on argemdio0 >>>> mdioproxy0: <MII/MDIO proxy, MDIO side> on mdio0 >>>> arswitch0: <Atheros AR7240 Ethernet Switch> on mdio0 >>>> miibus0: <MII bus> on arswitch0 >>>> ukphy0: <Generic IEEE 802.3u media interface> PHY 0 on miibus0 >>>> ukphy0: none, 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, >>>> 1000baseT-FDX, 1000baseT-FDX-master, auto >>>> miibus1: <MII bus> on arswitch0 >>>> ukphy1: <Generic IEEE 802.3u media interface> PHY 1 on miibus1 >>>> ukphy1: none, 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, >>>> 1000baseT-FDX, 1000baseT-FDX-master, auto >>>> miibus2: <MII bus> on arswitch0 >>>> ukphy2: <Generic IEEE 802.3u media interface> PHY 2 on miibus2 >>>> ukphy2: none, 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, >>>> 1000baseT-FDX, 1000baseT-FDX-master, auto >>>> miibus3: <MII bus> on arswitch0 >>>> ukphy3: <Generic IEEE 802.3u media interface> PHY 3 on miibus3 >>>> ukphy3: none, 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, >>>> 1000baseT-FDX, 1000baseT-FDX-master, auto >>>> mdio1: <MDIO> on arswitch0 >>>> mdioproxy1: <MII/MDIO proxy, MDIO side> on mdio1 >>>> etherswitch0: <Switch controller> on arswitch0 >>>> apb0 at irq 4 on nexus0 >>>> uart0: <16550 or compatible> on apb0 >>>> uart0: console (115200,n,8,1) >>>> pcib0 at irq 0 on nexus0 >>>> pcib0: found EEPROM at 0x1fff1000 on 0.0.0 >>>> pcib0: EEPROM firmware: 0x1fff1000 @ 4096 bytes >>>> pcib0: device EEPROM 'pcib.0.bus.0.0.0.eeprom_firmware' registered >>>> pci0: <PCI bus> on pcib0 >>>> pci0: <network> at device 0.0 (no driver attached) >>>> arge0: <Atheros AR71xx built-in ethernet interface> at mem >>>> 0x19000000-0x19000fff irq 2 on nexus0 >>>> arge0: Overriding MAC from EEPROM >>>> miiproxy0: <MII/MDIO proxy, MII side> on arge0 >>>> miiproxy0: attached to target mdio1 >>>> arge0: finishing attachment, phymask 0010, proxy set >>>> miibus4: <MII bus> on miiproxy0 >>>> ukphy4: <Generic IEEE 802.3u media interface> PHY 4 on miibus4 >>>> ukphy4: none, 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, >>>> 1000baseT-FDX, 1000baseT-FDX-master, auto >>>> arge0: Ethernet address: 8e:42:00:5c:3c:04 >>>> arge1: <Atheros AR71xx built-in ethernet interface> at mem >>>> 0x1a000000-0x1a000fff irq 3 on nexus0 >>>> arge1: finishing attachment, phymask 0000, proxy null >>>> arge1: Ethernet address: 8e:42:00:5c:3c:05 >>>> spi0: <AR71XX SPI> at mem 0x1f000000-0x1f00000f on nexus0 >>>> spibus0: <spibus bus> on spi0 >>>> mx25l0: <M25Pxx Flash Family> at cs 0 on spibus0 >>>> mx25l0: w25q64, sector 65536 bytes, 128 sectors >>>> ar71xx_wdog0: <Atheros AR71XX watchdog timer> on nexus0 >>>> ar71xx_wdog0: Previous reset was due to watchdog timeout >>>> Timecounters tick every 1.000 msec >>>> arswitch0port1: link state changed to DOWN >>>> arswitch0port2: link state changed to DOWN >>>> arswitch0port3: link state changed to DOWN >>>> arswitch0port4: link state changed to DOWN >>>> Trying to mount root from ufs:/dev/map/rootfs.uncompress []... >>>> mountroot: waiting for device /dev/map/rootfs.uncompress ... >>>> Mounting from ufs:/dev/map/rootfs.uncompress failed with error 19. >>>> >>>> Loader variables: >>>> >>>> Manual root filesystem specification: >>>> <fstype>:<device> [options] >>>> Mount <device> using filesystem <fstype> >>>> and with the specified (optional) option list. >>>> >>>> eg. ufs:/dev/da0s1a >>>> zfs:tank >>>> cd9660:/dev/acd0 ro >>>> (which is equivalent to: mount -t cd9660 -o ro /dev/acd0 /) >>>> >>>> ? List valid disk boot devices >>>> . Yield 1 second (for background tasks) >>>> <empty line> Abort manual input
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